Home / 78,043.46-117,097.58-49,995.14

Finding the Fourth Proportional to 78,043.46, 117,097.58 and 49,995.14

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Solution

The fourth proportional to 78,043.46, 117,097.58 and 49,995.14 is: 75,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,043.46 : 117,097.58 = 49,995.14 : x
  2. Step 2: Convert to fraction form
    78,043.46/117,097.58 = 49,995.14/x
  3. Step 3: Cross multiply
    78,043.46x = 117,097.58 × 49,995.14
  4. Step 4: Simplify right side
    78,043.46x = 5,854,309,905.76
  5. Step 5: Solve for x
    x = 5,854,309,905.76/78,043.46
  6. Step 6: Final answer
    x = 75,013.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.